Sarang Aravamuthan, Sachin Lodha. An Optimal Subset Cover for Broadcast Encryption. In Subhamoy Maitra, C. E. Veni Madhavan, Ramarathnam Venkatesan, editors, Progress in Cryptology - INDOCRYPT 2005, 6th International Conference on Cryptology in India, Bangalore, India, December 10-12, 2005, Proceedings. Volume 3797 of Lecture Notes in Computer Science, pages 221-231, Springer, 2005. [doi]
Abstract is missing.