Arpita Patra Ashish Choudhary C. Pandu Rangan Information Theoretically Secure Multi Party Set Intersection Re-visited. 71-91 2009 Selected Areas in Cryptography http://dx.doi.org/10.1007/978-3-642-05445-7_5 conf/sacrypt/2009 db/conf/sacrypt/sacrypt2009.html#PatraCR09