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1. Debian -- Software Packages in "lenny", Subsection devel
libbytecode-java (0.92.cvs.20070925) [contrib] Java bytecode manipulation library ... .deb package installation, upgrading, and removal testing tool pkg-config (0.22-1)
http://packages.debian.org/lenny/devel/
2. Debian -- Software Packages in "squeeze", Subsection java
libbytecode-java (0.92.svn.20090106-1) Java bytecode manipulation library ... virtual package provided by openjdk-6-jre-headless openjdk-6-source (6b18-1.8.10-0 ...
http://packages.debian.org/stable/java/
3. Ubuntu -- Software Packages in "oneiric", Subsection devel
libbytecode-java (0.92.svn.20090106-1) [universe] Java bytecode manipulation library ... .deb package installation, upgrading, and removal testing tool pkg-config (0.26-1ubuntu1)
http://packages.ubuntu.com/oneiric/devel/