http://plugins.vuze.com/update/pluginlist3.php?plugin=pluginID

Examples:
http://plugins.vuze.com/update/pluginlist3.php?plugin=TorrentGuard
http://plugins.vuze.com/update/pluginlist3.php?plugin=safepeer
http://plugins.vuze.com/update/pluginlist3.php?plugin=azlockr
http://plugins.vuze.com/update/pluginlist3.php?plugin=safepeer,azlockr