Yvo Desmedt Kaoru Kurosawa Tri Van Le Error Correcting and Complexity Aspects of Linear Secret Sharing Schemes. 396-407 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2851&spage=396 2003 conf/isw/2003 ISC db/conf/isw/isc2003.html#DesmedtKL03