The site findjar.com shows you the jars a particular class can be found in on major maven repositories. The class you mention looks like it is in hibernate-core through
[JAR] hibernate-core-4.2.6.Final.jar in org/hibernate/hibernate-core/4.2.6.Final
[JAR] hibernate-core-4.2.7.Final.jar in org/hibernate/hibernate-core/4.2.7.Final
[JAR] hibernate-core-4.2.7.SP1.jar in org/hibernate/hibernate-core/4.2.7.SP1
[JAR] hibernate-core-4.2.8.Final.jar in org/hibernate/hibernate-core/4.2.8.Final
[JAR] hibernate-core-4.2.9.Final.jar in org/hibernate/hibernate-core/4.2.9.Final
After that, it looks like projects using it incorporated the class directly in their own jars. Here are a few instances of that:
[JAR] hibernate-core-4.1.3.Final-patched-play-1.3.0.jar in com/google/code/maven-play-plugin/org/hibernate/hibernate-core/4.1.3.Final-patched-play-1.3.0
[JAR] hibernate-core-4.2.15.Final-patched-play-1.3.0.jar in com/google/code/maven-play-plugin/org/hibernate/hibernate-core/4.2.15.Final-patched-play-1.3.0
[JAR] hibernate-core-4.2.19.Final-patched-play-1.3.2.jar in com/google/code/maven-play-plugin/org/hibernate/hibernate-core/4.2.19.Final-patched-play-1.3.2
[JAR] querydsl-jpa-2.7.1-apt-hibernate-one-jar.jar in com/mysema/querydsl/querydsl-jpa/2.7.1