@InProceedings{McPeSeva2007,
  author =    {Jonathan M. Mc{C}une and Adrian Perrig and Arvind Seshadri and Leendert van Doorn},
  title =     {Turtles All the Way Down: Research Challenges in User-Based Attestation},
  booktitle = {Proceedings of the USENIX Workshop on Hot Topics in Security},
  year =      2007,
  month =     aug,
  url =       {http://www.ece.cmu.edu/~jmmccune/papers/mccune_perrig_seshadri_vandoorn_hotsec07.pdf}
}