@misc{cryptoeprint:2011:141,
    author = {Emiliano De Cristofaro and Gene Tsudik},
    title = {Fast and Private Computation of Set Intersection Cardinality},
    howpublished = {Cryptology ePrint Archive, Report 2011/141},
    year = {2011},
    url = {http://eprint.iacr.org/2011/141},
}