Yuga-Vibhāga and Kāla-Pramāṇa
Measures of Time and the Four Yugas
पुनः स्वायंभुवो दृष्ट्वा याथातथ्यं प्रजापतिः / ध्यात्वा तु शतरूपायां पुत्रौ स उदपादयत्
punaḥ svāyaṃbhuvo dṛṣṭvā yāthātathyaṃ prajāpatiḥ / dhyātvā tu śatarūpāyāṃ putrau sa udapādayat
Again Svāyaṃbhuva Prajāpati, seeing things as they truly were, meditated upon Śatarūpā and brought forth two sons.