@misc{cryptoeprint:2009:491,
    author = {Emiliano De Cristofaro and Gene Tsudik},
    title = {Practical Private Set Intersection Protocols},
    howpublished = {Cryptology ePrint Archive, Report 2009/491},
    year = {2009},
    url = {http://eprint.iacr.org/2009/491},
}