@TECHREPORT\{IMM2001-0842, author = "H. R. Nielson", title = "Proceedings of NordSec 2001", year = "2001", number = "", series = "IMM-TR-2001-14", institution = "Informatics and Mathematical Modelling, Technical University of Denmark, {DTU}", address = "Richard Petersens Plads, Building 321, {DK-}2800 Kgs. Lyngby", type = "", url = "http://www2.compute.dtu.dk/pubdb/pubs/842-full.html" }