@misc{cryptoeprint:2004:278,
    author = {David A. McGrew and Scott R. Fluhrer},
    title = {The Extended Codebook (XCB) Mode of Operation},
    howpublished = {Cryptology ePrint Archive, Report 2004/278},
    year = {2004},
    url = {http://eprint.iacr.org/2004/278},
}