@misc{cryptoeprint:2001:021,
    author = {Biham Eli, Orr Dunkelman, Nathan Keller},
    title = {The Rectangle Attack - Rectangling the Serpent},
    howpublished = {Cryptology ePrint Archive, Report 2001/021},
    year = {2001},
    url = {http://eprint.iacr.org/2001/021},
}