@misc{cryptoeprint:2007:298,
    author = {David A. McGrew and Scott R. Fluhrer},
    title = {The Security of the Extended Codebook (XCB) Mode of Operation},
    howpublished = {Cryptology ePrint Archive, Report 2007/298},
    year = {2007},
    url = {http://eprint.iacr.org/2007/298},
}