@inproceedings{STOC-2001-Ta-ShmaUZ,
	author        = "Amnon Ta-Shma and Christopher Umans and David Zuckerman",
	booktitle     = "{Proceedings of the 33rd Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/380752.380790",
	isbn          = "1-58113-349-9",
	pages         = "143--152",
	publisher     = "{ACM}",
	title         = "{Loss-less condensers, unbalanced expanders, and extractors}",
	year          = 2001,
}