Skanda Purana 6.1.72.20

6.1.72.20

18 ekānaṃśādevyutpattivarṇane tārakāsurarākṣasapīḍitena brahmaṇā niśādevyāḥ smaraṇam, tayā tārakavināśārthaṃ brahmaṇa upāyakathanam tatraiva brahmaṇā tasyāḥ sthāpanam, ekānaṃśādevītīrthamāhātmyavarṇanam. ....... 17 1

18. In the description of the origin of the goddess Ekānaṃśā: Brahmā, tormented by the rākṣasa Tārakāsura, remembers the goddess of night; her explanation of a means to Brahmā for the destruction of Tāraka; her installation by Brahmā in that very place; description of the greatness of the tīrtha of the goddess Ekānaṃśā. 17 1