I\'m using msysgit running on Windows XP.
Tried Ctrl+V, Right click, Middle click, google... no luck.
I was actually wondering how to do this today...and coincidentally, Phil Haack posted a tip about using posh-git (Git on powershell), which gives you tab auto-complete and a few more cool bits. I'm not going back to Git bash.
check it out
http://haacked.com/archive/2011/12/13/better-git-with-powershell.aspx