@inproceedings{ICALP-2000-SantisCP,
	author        = "Alfredo De Santis and Giovanni Di Crescenzo and Giuseppe Persiano",
	booktitle     = "{Proceedings of the 27th International Colloquium on Automata, Languages and Programming}",
	doi           = "10.1007/3-540-45022-X_38",
	isbn          = "3-540-67715-1",
	pages         = "451--462",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Necessary and Sufficient Assumptions for Non-iterative Zero-Knowledge Proofs of Knowledge for All NP Relations}",
	volume        = 1853,
	year          = 2000,
}