@misc{cryptoeprint:2006:224,
    author = {Andr\'{e} Weimerskirch and Christof Paar},
    title = {Generalizations of the Karatsuba Algorithm for Efficient Implementations},
    howpublished = {Cryptology ePrint Archive, Report 2006/224},
    year = {2006},
    url = {http://eprint.iacr.org/2006/224},
}