Musannaf Ibn Abi Shayba 38:30

Al-Fadl ibn Dukayn narrated to us, from Abd al-Jabbar, from Ata’ ibn al-Sa’ib, from Amr ibn al-Hujna’, from Abu Bakrah, who said: It was said to him, "What prevented you from fighting with insight on the Day of the Camel?" He said, "I heard the Messenger of Allah (peace and blessings of Allah be upon him) say: 'A people will emerge who are ruined; they will not succeed. Their leader is a woman.'" He said, "They are in Paradise."