@inproceedings{biro122,
  author = "L.H. Nguyen and A.W. Roscoe",
  booktitle = "Proceedings of FCS-ARSPA-WITS",
  note = "(This version is extended by appendices not present in proceedings.)",
  title = "Separating two roles of hashing in one-way message authentication",
  year = "2008",
}