@InProceedings{bauer+:grey,
  author = 	 {Lujo Bauer and Scott Garriss and Jonathan M. Mc{C}une and Michael K. Reiter and Jason Rouse and Peter Rutenbar},
  title = 	 {Device-enabled authorization in the {G}rey system},
  booktitle =    {Proceedings of the 8th Information Security Conference (ISC'05)},
  month =        sep,
  year = 	 2005,
  note =         {An extended version of this paper appears as CMU Computer Science Department Tech Report 05-111.},
  url =          {http://www.ece.cmu.edu/~lbauer/papers/grey-isc05.pdf}
}