Well then why didn't Eisenhower write about the "genocide of Jews" in his book CRUSADE IN EUROPE which came out in the late 1950's?
Well of course he did speak about the genocide of Jews in his book.
http://webletter.net/cybrary/Facts.aft.lib.eis.html
However if you're straining to view what he said as only refering to work camps with no "final solution" or "holcaust" then you'll see the lack of lurid details in this book as confirmation. The fact that such lurid details are available elsewhere will probably not dissuade you.