@misc{cryptoeprint:2008:306,
    author = {M. B. Paterson and D. R. Stinson and R. Wei},
    title = {Combinatorial batch codes},
    howpublished = {Cryptology ePrint Archive, Report 2008/306},
    year = {2008},
    url = {http://eprint.iacr.org/2008/306},
}