@misc{cryptoeprint:2002:087,
    author = {Nicolas T. Courtois},
    title = {Higher Order Correlation Attacks, XL algorithm and Cryptanalysis of Toyocrypt},
    howpublished = {Cryptology ePrint Archive, Report 2002/087},
    year = {2002},
    url = {http://eprint.iacr.org/2002/087},
}