Like apt?  Add this to your /etc/apt/sources.list:

  deb http://issg.cs.duke.edu/pip unstable main

Try "apt-get install pip" to install all of pip.

Is your apt recent enough to support GPG keys?  Run this to get my key:

  gpg --recv-keys 'BB49A0212A23AAB0'
  gpg --export BB49A0212A23AAB0 > KEY
  apt-key add KEY      # as root!