Ran Canetti, Rafael Pass, Abhi Shelat. Cryptography from Sunspots: How to Use an Imperfect Reference String. In 48th Annual IEEE Symposium on Foundations of Computer Science (FOCS 2007), October 20-23, 2007, Providence, RI, USA, Proceedings. pages 249-259, IEEE Computer Society, 2007. [doi]
Abstract is missing.