@InProceedings{bauer+:grey,
  author = 	 {Lujo Bauer and Scott Garriss and Jonathan M. McCune and Michael K. Reiter and Jason Rouse and Peter Rutenbar},
  title = 	 {Device-enabled authorization in the {G}rey system},
  booktitle =    {Information Security: 8th International Conference, ISC 2005},
  pages =        {431--445},
  month =        sep,
  series =       {Lecture Notes in Computer Science},
  volume =       3650,
  year = 	 {2005},
  doi =          {10.1007/11556992_31},
  url =          {http://www.ece.cmu.edu/~lbauer/papers/2005/isc2005-grey.pdf},
  note =         {An extended version of this paper appears as a <a href="http://reports-archive.adm.cs.cmu.edu/anon/2005/abstracts/05-111.html">tech report</a>.},
  copyright =    {Springer-Verlag},
  publisher =    {Springer},
}