@misc{cryptoeprint:2008:538,
    author = {Ivan Damgård and Nikos Triandopoulos},
    title = {Supporting Non-membership Proofs with Bilinear-map  Accumulators},
    howpublished = {Cryptology ePrint Archive, Report 2008/538},
    year = {2008},
    url = {http://eprint.iacr.org/2008/538},
}