@misc{cryptoeprint:2001:080,
    author = {Eric Filiol and Caroline Fontaine},
    title = {COS Ciphers are not "extremely weak"! - The Design Rationale of COS Ciphers},
    howpublished = {Cryptology ePrint Archive, Report 2001/080},
    year = {2001},
    url = {http://eprint.iacr.org/2001/080},
}