Soonhak Kwon Chang Hoon Kim Chun Pyo Hong Fast Irreducibility Testing for XTR Using a Gaussian Normal Basis of Low Complexity. 144-158 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3357&spage=144 2004 conf/sacrypt/2004 Selected Areas in Cryptography db/conf/sacrypt/sacrypt2004.html#KwonKH04