Found it:
http://www.indianexpress.com/full_story.php?content_id=78114
“They have insisted that they have a civilian nuclear programme, and I thought a rational approach to that would be to allow them to receive enriched uranium from a third party under the guise of international inspections that will enable them to have civilian nuclear power without learning how to make a bomb,” Bush said at a press conference with visiting Iraqi President Jalal Talabani.
“Some of us are wondering why they need civilian nuclear power anyway. They're awash with hydrocarbons,” Bush said. “Nevertheless, it's a right of a government to want to have a civilian nuclear programme.”
But he said there ought to be guidelines. “It is very important for the world to understand that Iran with a nuclear weapon will be incredibly destabilising,” Bush said. “And therefore we must work together to prevent them from having the wherewithal to develop a nuclear weapon.”