@inproceedings{PervasiveComputing,
  title = "Authentication in pervasive computing",
  author = "A. W. Roscoe and S.J. Creese and M.H. Goldsmith and I.Zakiuddin",
  year = "2003",
  booktitle = "Proceedings of the First International Conference on Security in Pervasive Computing",
  month = "March",
  publisher = "{LNCS}",
  url = "http://www.cs.ox.ac.uk/people/bill.roscoe/publications/87.ps",
}