This dua is from the Book "Sahifa Sajjadia" here http://www.duas.org/sajjadiya/sajjadi... by Imam Zainul abideen (as ) from the progeny of the Holy Prophet (saws)
He is the son of Imam Hussain (as) & the grandson of Ali & Fatima (sa) Duas by Imam Zainul Abideen no 27