All I can do is provide you links to the COT official website and to the last reports of EURO.
Official COT website: http://www.cftc.gov/MarketReports/Commi ... /index.htm
Last reports:
16/10/12 http://www.cftc.gov/files/dea/cotarchiv ... 101612.htm
23/10/12 : http://www.cftc.gov/files/dea/cotarchiv ... 102312.htm
30/10/12 http://www.cftc.gov/dea/futures/deacmesf.htm
However you can see all the historical if you go on the first link and then click on "Historical Viewables " after about 20 lines.
Hope this helps.