Musnad Abu Ya'la al-Mawsili 150:321

Muhammad ibn 'Abbad narrated to us, Ibn Abi Fudayk narrated to us, from Ibn Abi Dhi'b, from al-Zuhri, from 'Urwah, from 'Aishah: That the Prophet, peace and blessings of Allah be upon him, ordered regarding Ibn Zurarah that he be cauterized.