@misc{cryptoeprint:2003:121,
    author = {Michael Backes and Birgit Pfitzmann},
    title = {A Cryptographically Sound Security Proof of the Needham-Schroeder-Lowe Public-Key Protocol},
    howpublished = {Cryptology ePrint Archive, Report 2003/121},
    year = {2003},
    url = {http://eprint.iacr.org/2003/121},
}