I did faced the same problem.
According to error 
Quote:
[0] 'dependencies.dependency.version' is missing for org.hibernate:hibernate-core:jar
[1] 'dependencies.dependency.version' is missing for javax.servlet:servlet-api:jar
[2] 'dependencies.dependency.version' is missing for org.slf4j:slf4j-simple:jar
[3] 'dependencies.dependency.version' is missing for javassist:javassist:jar
Version numbers are missing
Dependencies tag should look something as follows
<dependencies>
<dependency>
<groupId>
<GROUPID></groupId>
<artifactId>
<ARTIFACTID></artifactId>
<version><VERSION NO></version><dependency>
</dependencies>
So go to maven repositotry at 
http://mvnrepository.com/ and search for version numbers. The pom that i have used is as follows
Code:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>org.hibernate.tutorials</groupId>
  <artifactId>hibernate-tutorial</artifactId>
  <packaging>war</packaging>
  <version>1.0-SNAPSHOT</version>
  <name>First hibernate tutorials</name>
  <url>http://maven.apache.org</url>
  <dependencies>
     <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-core</artifactId>
        <version>3.3.1.GA</version>
     </dependency>
     <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>servlet-api</artifactId>
          <version>[2.4,)</version>        
     </dependency>
     <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-simple</artifactId>
        <version>1.5.6</version>
     </dependency>
     <dependency>
        <groupId>javassist</groupId>
        <artifactId>javassist</artifactId>
        <version>[3.0,)</version>
     </dependency>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
  </dependencies>
  <build>
     <finalName>${artifactId}</finalName>
  </build>
</project>