Targum Jonathan on Numbers
And Mosheh made a serpent of brass, and set it upon a place aloft; and it was, when a serpent had bitten a man, and the serpent of brass was gazed at, and his heart was intent upon the Name of the Word of the Lord, he lived.
Targum Jerusalem
And Mosheh made a serpent of brass, and set it upon a high place; and it was that when any one had been bitten by a serpent, and his face was uplifted in prayer unto his Father who is in heaven, and he looked upon the brazen serpent, he lived.