Musannaf Ibn Abi Shayba 33:497

Ghundar narrated to us, from Shu'bah, from Ya'la ibn 'Ubayd, from Yahya ibn Qamtah, from 'Abdullah ibn 'Amr, who said: "The world is the prison of the believer and the paradise of the disbeliever. So when the believer dies, he is released, and he wanders wherever he wishes." And Allah the Exalted knows best.