@inproceedings{kobashi-etal-2025-crypto, title = "Crypto-{LLM}: Two-Stage Language Model Pre-training with Ciphered and Natural Language Data", author = "Kobashi, Yohei and Uchiyama, Fumiya and Kojima, Takeshi and Gambardella, Andrew and Cao, Qi and Iwasawa, Yusuke and Matsuo, Yutaka", editor = "Inui, Kentaro and Sakti, Sakriani and Wang, Haofen and Wong, Derek F. and Bhattacharyya, Pushpak and Banerjee, Biplab and Ekbal, Asif and Chakraborty, Tanmoy and Singh, Dhirendra Pratap", booktitle = "Proceedings of the 14th International Joint Conference on Natural Language Processing and the 4th Conference of the Asia-Pacific Chapter of the Association for Computational Linguistics", month = dec, year = "2025", address = "Mumbai, India", publisher = "The Asian Federation of Natural Language Processing and The Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-ijcnlp-aacl/2025.ijcnlp-long.135/", pages = "2502--2520", ISBN = "979-8-89176-298-5" }