D. Malkhi, N. Nisan, B. Pinkas, and Y. Sella. Proceedings of the 13th USENIX Security Symposium, page 287--302. Berkeley, CA, USA, USENIX Association, (2004)
A. Ben-David, N. Nisan, and B. Pinkas. Proceedings of the 15th ACM Conference on Computer and Communications
Security, page 257--266. New York, NY, USA, ACM, (2008)
M. Naor, and B. Pinkas. SODA '01: Proceedings of the twelfth annual ACM-SIAM symposium on
Discrete algorithms, page 448--457. Philadelphia, PA, USA, Society for Industrial and Applied Mathematics, (2001)
T. Adler, and L. de Alfaro. WWW '07: Proceedings of the 16th international conference on World Wide Web, page 261--270. New York, NY, USA, ACM Press, (2007)