Duncan S. Wong Karyin Fung Joseph K. Liu Victor K. Wei On the RS-Code Construction of Ring Signature Schemes and a Threshold Setting of RST. 34-46 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2836&spage=34 2003 conf/icics/2003 ICICS db/conf/icics/icics2003.html#WongFLW03