John F. Canny Stephen Sorkin Practical Large-Scale Distributed Key Generation. 138-152 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3027&spage=138 2004 conf/eurocrypt/2004 EUROCRYPT db/conf/eurocrypt/eurocrypt2004.html#CannyS04