@misc{cryptoeprint:2011:138, author = {Jeongdae Hong and Jung Woo Kim and Jihye Kim and Kunsoo Park and Jung Hee Cheon}, title = {Constant-Round Privacy Preserving Multiset Union}, howpublished = {Cryptology ePrint Archive, Report 2011/138}, year = {2011}, url = {http://eprint.iacr.org/2011/138}, }