Stefan Dziembowski Ueli M. Maurer On Generating the Initial Key in the Bounded-Storage Model. 126-137 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3027&spage=126 2004 conf/eurocrypt/2004 EUROCRYPT db/conf/eurocrypt/eurocrypt2004.html#DziembowskiM04