I believe the repo has moved

npm ERR! git clone git://github.com/mrichard/generator.git Cloning into bare repository '/Users/jesse/.npm/_git-remotes/git-github-com-mrichard-generator-git-d4920979'...
npm ERR! git clone git://github.com/mrichard/generator.git
npm ERR! git clone git://github.com/mrichard/generator.git fatal: unable to connect to github.com:
npm ERR! git clone git://github.com/mrichard/generator.git github.com[0: 192.30.252.130]: errno=Operation timed out
npm ERR! Error: Command failed: fatal: unable to connect to github.com:
npm ERR! github.com[0: 192.30.252.130]: errno=Operation timed out
npm ERR!
npm ERR!
npm ERR!     at ChildProcess.exithandler (child_process.js:637:15)
npm ERR!     at ChildProcess.EventEmitter.emit (events.js:98:17)
npm ERR!     at maybeClose (child_process.js:743:16)
npm ERR!     at Socket.<anonymous> (child_process.js:956:11)
npm ERR!     at Socket.EventEmitter.emit (events.js:95:17)
npm ERR!     at Pipe.close (net.js:465:12)